Hobart OM-1581 manual Flowmeter Optional, Internal Controls

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1
2

4-10. Flowmeter (Optional)

CAUTION

Wire feeding system is designed for maximum of 50 psi (345 kPa) gas pressure.

Be sure that regulator/flowmeter has preset conditions of no more than 50 psi (345 kPa) gas pressure.

CFH

Ar CO2

60 60

50 50

40 40

30 30

20 20

1Flowmeter

2Valve

Use flowmeter to control shielding gas flow at the feeder. The scale on the flowmeter is in cubic feet per hour (CFH). Read gas flow at the widest part of the float in the meter. Rotate valve to change gas flow as necessary.

A regulator is still required on shielding gas supply with this option.

10 10

S-0659

4-11. Internal Controls

1

2

BRAKE

RELEASE

LOW TORQUE

HIGH TORQUE

3

4

Open left side door.

1 Fuse F1

See Section 5-11.

2Circuit Breaker CB1 See Section 5-11.

3Motor Torque Switch

Use switch to select the force used to push wire. The up position is for low force, or torque. The down position is for high force, or torque.

If welding wire appears to be kinked, nicked, or damaged, place switch in low torque position.

4 Brake Release Button

Whenever power is On and the welding power source is energized, button may be pressed to release spool brake so wire spool can turn freely.

Close and latch door.

Ref. 151 779 / Ref. S-120 552-A

OM-1581 Page 27

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Contents Processes OM-1581Description From Hobart to You Table of Contents Page Fumes and Gases can be hazardous Symbol UsageArc Welding Hazards Electric Shock can killBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutInformation sur les champs é lectromagné tiques Principales normes de sé curitéDuty Cycle And Overheating SpecificationsWire Feeder Specifications Gun SpecificationsInstallation Constant Voltage CV Weld- ing Power Source Plug Removing Top Cover Of Gun Air-Cooled Gun Connections Water-Cooled Gun Connections Air-Cooled Feeder Connections Rear Of Water Fitting Left- Hand Threads Water-Cooled Feeder ConnectionsVoltage Sensing Lead Connections Adjusting Contact Tip PositionContactor 12 VAC/Contactor Control Plug InformationPLG5 Installing Wire Spool Threading Welding Wire Through Feeder Coolant Guidelines Threading Welding Wire Through GunAdjusting Wire Feed Starting Speed Work And Voltage Sensing Cable Clamps Safety EquipmentOperation Front Panel Controls Of Feeder Air-Cooled Model ShownVoltage/Wire Speed Switch And Meter Optional Jog SwitchRun-In Speed Control Spot Controls Optional Remote Voltage Control Optional Power SwitchInternal Controls Flowmeter OptionalSequence Of Gas Metal Arc Welding Gmaw Continuous Or Spot Gun ControlsShielding Gas Coolant Supply For Water-Cooled Models OnlyRoutine Maintenance Maintenance & TroubleshootingMonths Changing Or Cleaning Gun Drive Roll Changing Feeder Drive Roll And Wire Inlet Guide Replacing Or Cleaning Feeder Drive Roll Bearing Replacing Or Cleaning Gun Drive Roll BearingRemoving Contact Tip Adapter In Air-Cooled Models Changing Gun Contact Tip And LinerRemoving Contact Tip Adapter In Water-Cooled Models Replacing Hub AssemblyWater Flow Switch Optional For Water-Cooled Models Adjusting Hub TensionOverload Protection Wire Feeder Trouble TroubleshootingGun Trouble Circuit Diagram For Wire Feeder Electrical DiagramsCircuit Diagram For Gun Main Assembly Parts ListDia Part CB1 Motor & Wire Drive -1 Item Panel, Front w/Components Water-Cooled Model Illustrated Panel, Front w/Components -1 Item Exploded View Of Gun 133 203 Barrel Assembly -4 Item Optional Call HOBART1 for your local Hobart distributor Hobart Welding Products Contact your Distributor for